123354521060 has 12 divisors (see below), whose sum is σ = 259044494268. Its totient is φ = 49341808416.

The previous prime is 123354521057. The next prime is 123354521107. The reversal of 123354521060 is 60125453321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46895634916 + 76458886144 = 216554^2 + 276512^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083863007 + ... + 3083863046.

It is an arithmetic number, because the mean of its divisors is an integer number (21587041189).

Almost surely, 2^123354521060 is an apocalyptic number.

123354521060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123354521060 is an abundant number, since it is smaller than the sum of its proper divisors (135689973208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123354521060 is a wasteful number, since it uses less digits than its factorization.

123354521060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167726062 (or 6167726060 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 123354521060 its reverse (60125453321), we get a palindrome (183479974381).

The spelling of 123354521060 in words is "one hundred twenty-three billion, three hundred fifty-four million, five hundred twenty-one thousand, sixty".